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good day

i traced my amp tonestack and i found this check below pic..when i turned down the all knobs to zero the output signal of my amp lost i mean no output at the speaker..is there a problem in the components of this tone stack?? when i turn up the knobs again the signal came back..??sorry my amp lots of problem its a cheap amp i think from elswhere i dont know..

any advice or opinion or solution??




thanks

That is a standard tone stack and that is how they work,,i.e Normal operation.
Nothing wrong with the circuit. thousands of old fenders do that.
Phil

ballfire wrote:good day

i traced my amp tonestack and i found this check below pic..when i turned down the all knobs to zero the output signal of my amp lost i mean no output at the speaker..is there a problem in the components of this tone stack?? when i turn up the knobs again the signal came back..??sorry my amp lots of problem its a cheap amp i think from elswhere i dont know..

any advice or opinion or solution??




thanks

That's more like a Fender tone stack, although different values. Look at the Marshall tone stack. It's mid control is wired different so that it doesn't cut the signal when everything is set to 0

phatt wrote:That is a standard tone stack and that is how they work,,i.e Normal operation.
Nothing wrong with the circuit. thousands of old fenders do that.
Phil

good day..

now i know now my cheap guitar amplifier is like on fenders..i will just leave the way its tone stack